FR347171A - Safety crank for jacks and other devices used to maneuver loads - Google Patents

Safety crank for jacks and other devices used to maneuver loads

Info

Publication number
FR347171A
FR347171A FR347171DA FR347171A FR 347171 A FR347171 A FR 347171A FR 347171D A FR347171D A FR 347171DA FR 347171 A FR347171 A FR 347171A
Authority
FR
France
Prior art keywords
jacks
devices used
safety crank
maneuver loads
maneuver
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
Other languages
French (fr)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Alsacienne de Constructions Mecaniques SA
Original Assignee
Alsacienne de Constructions Mecaniques SA
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Alsacienne de Constructions Mecaniques SA filed Critical Alsacienne de Constructions Mecaniques SA
Application granted granted Critical
Publication of FR347171A publication Critical patent/FR347171A/en
Expired legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66D—CAPSTANS; WINCHES; TACKLES, e.g. PULLEY BLOCKS; HOISTS
    • B66D1/00—Rope, cable, or chain winding mechanisms; Capstans
    • B66D1/02—Driving gear
    • B66D1/04—Driving gear manually operated
    • B66D1/06—Safety cranks for preventing unwanted crank rotation and subsequent lowering of the loads

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
FR347171D 1904-10-18 1904-10-18 Safety crank for jacks and other devices used to maneuver loads Expired FR347171A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR347171T 1904-10-18

Publications (1)

Publication Number Publication Date
FR347171A true FR347171A (en) 1905-02-27

Family

ID=1395826

Family Applications (1)

Application Number Title Priority Date Filing Date
FR347171D Expired FR347171A (en) 1904-10-18 1904-10-18 Safety crank for jacks and other devices used to maneuver loads

Country Status (1)

Country Link
FR (1) FR347171A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4762971A (en) * 1984-04-23 1988-08-09 Mitsubishi Denki Kabushiki Kaisha Spring-type operating mechanism for a circuit interrupter

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4762971A (en) * 1984-04-23 1988-08-09 Mitsubishi Denki Kabushiki Kaisha Spring-type operating mechanism for a circuit interrupter

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